Mark Brown | 22313ea | 2010-02-10 10:42:33 +0000 | [diff] [blame] | 1 | /* |
| 2 | * phycore-ac97.c -- SoC audio for imx_phycore in AC97 mode |
| 3 | * |
| 4 | * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License as published by the |
| 8 | * Free Software Foundation; either version 2 of the License, or (at your |
| 9 | * option) any later version. |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/moduleparam.h> |
| 15 | #include <linux/device.h> |
| 16 | #include <linux/i2c.h> |
| 17 | #include <sound/core.h> |
| 18 | #include <sound/pcm.h> |
| 19 | #include <sound/soc.h> |
| 20 | #include <sound/soc-dapm.h> |
| 21 | #include <asm/mach-types.h> |
| 22 | |
| 23 | #include "../codecs/wm9712.h" |
| 24 | #include "imx-ssi.h" |
| 25 | |
| 26 | static struct snd_soc_card imx_phycore; |
| 27 | |
| 28 | static struct snd_soc_ops imx_phycore_hifi_ops = { |
| 29 | }; |
| 30 | |
| 31 | static struct snd_soc_dai_link imx_phycore_dai_ac97[] = { |
| 32 | { |
| 33 | .name = "HiFi", |
| 34 | .stream_name = "HiFi", |
| 35 | .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI], |
| 36 | .ops = &imx_phycore_hifi_ops, |
| 37 | }, |
| 38 | }; |
| 39 | |
| 40 | static struct snd_soc_card imx_phycore = { |
| 41 | .name = "PhyCORE-audio", |
| 42 | .platform = &imx_soc_platform, |
| 43 | .dai_link = imx_phycore_dai_ac97, |
| 44 | .num_links = ARRAY_SIZE(imx_phycore_dai_ac97), |
| 45 | }; |
| 46 | |
| 47 | static struct snd_soc_device imx_phycore_snd_devdata = { |
| 48 | .card = &imx_phycore, |
| 49 | .codec_dev = &soc_codec_dev_wm9712, |
| 50 | }; |
| 51 | |
| 52 | static struct platform_device *imx_phycore_snd_device; |
| 53 | |
| 54 | static int __init imx_phycore_init(void) |
| 55 | { |
| 56 | int ret; |
| 57 | |
| 58 | if (!machine_is_pcm043() && !machine_is_pca100()) |
| 59 | /* return happy. We might run on a totally different machine */ |
| 60 | return 0; |
| 61 | |
| 62 | imx_phycore_snd_device = platform_device_alloc("soc-audio", -1); |
| 63 | if (!imx_phycore_snd_device) |
| 64 | return -ENOMEM; |
| 65 | |
| 66 | imx_phycore_dai_ac97[0].cpu_dai = &imx_ssi_pcm_dai[0]; |
| 67 | |
| 68 | platform_set_drvdata(imx_phycore_snd_device, &imx_phycore_snd_devdata); |
| 69 | imx_phycore_snd_devdata.dev = &imx_phycore_snd_device->dev; |
| 70 | ret = platform_device_add(imx_phycore_snd_device); |
| 71 | |
| 72 | if (ret) { |
| 73 | printk(KERN_ERR "ASoC: Platform device allocation failed\n"); |
| 74 | platform_device_put(imx_phycore_snd_device); |
| 75 | } |
| 76 | |
| 77 | return ret; |
| 78 | } |
| 79 | |
| 80 | static void __exit imx_phycore_exit(void) |
| 81 | { |
| 82 | platform_device_unregister(imx_phycore_snd_device); |
| 83 | } |
| 84 | |
| 85 | late_initcall(imx_phycore_init); |
| 86 | module_exit(imx_phycore_exit); |
| 87 | |
| 88 | MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); |
| 89 | MODULE_DESCRIPTION("PhyCORE ALSA SoC driver"); |
| 90 | MODULE_LICENSE("GPL"); |